QUESTION: 5

What is a key configuration requirement for Hybrid Message Service High Availability deployment with multiple IM and Presence clusters?

You must have the Intercluster Sync Agent working across your IM and Presence clusters.
You must have the Intercluster Lookup Service working across all of your IM and Presence clusters.
Your IM and Presence Service clusters must have Multiple Device Messaging disabled.
AXL service should be activated only on the publisher of each IM and Presence cluster.

Answer(s): A

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QUESTION: 6

Cisco Collaboration endpoints are exchanging encrypted signaling messages.
What is one major complication in implementing NAT ALG for voice and video devices?

Internal endpoints cannot use addresses from the private address space.
The NAT ALG cannot inspect the contents of encrypted signaling messages.
NAT ALG introduces jitter in the voice path.
Source addresses cannot provide the destination addresses that remote endpoints should use for return packets.

Answer(s): B

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